<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="/login" method="POST">
        <h1>用户名：<input name="userName" /></h1>
        <h1>密码：<input name="password"/></h1>
        <input type="submit" value="登录"/>
    </form>
</body>
</html>

<!-- 继续测试这个？？？ -->